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annotate bitsyblog/utils.py @ 84:e5a23f5ea14e

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make cooked bodies depend on file mtime
author Jeff Hammel <jhammel@mozilla.com>
date Thu, 17 Nov 2011 13:18:51 -0800
parents 4df927b0d847
children 8f30c2f702bc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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1 """utlity functions for bitsyblog"""
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2
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3 import cgi
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4 import datetime
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5 import os
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6 import urllib
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7 import urllib2
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8
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9 import docutils
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10 import docutils.core
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11
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12 from docutils.utils import SystemMessage
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14 # format to uniquely label blog posts
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15 timeformat = ( 'YYYY', 'MM', 'DD', 'HH', 'MM', 'SS' )
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16 timestamp = '%Y%m%d%H%M%S' # strftime representation
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17
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18 def ReST2html(string):
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19 """renders a string with restructured text"""
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21 settings = { 'report_level': 5 }
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22 string = string.strip()
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23 try:
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24 parts = docutils.core.publish_parts(string,
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25 writer_name='html',
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26 settings_overrides=settings)
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27 body = parts['body']
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28 except (SystemMessage, UnicodeError), e:
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29 lines = [ cgi.escape(i.strip()) for i in string.split('\n') ]
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30 body = '<br/>\n'.join(lines)
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31 return body
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32
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33 def validate_css(css):
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34 """use a webservice to determine if the argument is valid css"""
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35 url = 'http://jigsaw.w3.org/css-validator/validator?text=%s'
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36 url = url % urllib.quote_plus(css)
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37 foo = urllib2.urlopen(url)
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38 text = foo.read()
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794dac65c9b6 comment about how brittle the CSS validation is
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39 return not 'We found the following errors' in text # XXX hacky
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41 def date(datestamp):
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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42 datestamp = os.path.split(datestamp)[-1]
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43 retval = []
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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44 for i in timeformat:
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
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45 retval.append(int(datestamp[:len(i)]))
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
k0s <k0scist@gmail.com>
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46 datestamp = datestamp[len(i):]
e3823be6a423 initial commit of bitsyblog, from https://svn.openplans.org/svn/standalone/bitsyblog/trunk/
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47 return datetime.datetime(*retval)
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48
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49 def datestamp(date=None):
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50 if isinstance(date, float):
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51 date = datetime.datetime.fromtimestamp(date)
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52 if date is None:
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53 date = datetime.datetime.now()
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54 return date.strftime(timestamp)